BLD Ignore runtime lib flag on linking (#2848)

packages/h5py/meta.yaml

@@ -7,7 +7,6 @@ source:
   sha256: 3fcf37884383c5da64846ab510190720027dca0768def34dd8dcb659dbe5cbf3
   patches:
     - patches/configure.patch
-    - patches/build.patch
 
 requirements:
   run:

packages/h5py/patches/build.patch

@@ -1,13 +0,0 @@
-diff --git a/setup_build.py b/setup_build.py
-index 6b66789..448774a 100644
---- a/setup_build.py
-+++ b/setup_build.py
-@@ -104,7 +104,7 @@ class h5py_build_ext(build_ext):
-             settings['include_dirs'] += [mpi4py.get_include()]
- 
-         # TODO: should this only be done on UNIX?
--        if os.name != 'nt':
-+        if False:
-             settings['runtime_library_dirs'] = settings['library_dirs']
- 
-         def make_extension(module):

packages/pyproj/meta.yaml

@@ -5,8 +5,6 @@ package:
 source:
   url: https://files.pythonhosted.org/packages/e3/4d/348402c2fb0d8a8e85a88b8babc6f4efaae9692b7524aedce5fddbef3baf/pyproj-3.3.1.tar.gz
   sha256: b3d8e14d91cc95fb3dbc03a9d0588ac58326803eefa5bbb0978d109de3304fbe
-  patches:
-    - patches/fix-build.patch
 
 requirements:
   run:

packages/pyproj/patches/fix-build.patch

@@ -1,12 +0,0 @@
-diff --git a/setup.py b/setup.py
-index d8c1872a..ad396e02 100644
---- a/setup.py
-+++ b/setup.py
-@@ -167,7 +167,6 @@ def get_extension_modules():
-     ext_options = {
-         "include_dirs": include_dirs,
-         "library_dirs": library_dirs,
--        "runtime_library_dirs": library_dirs if os.name != "nt" else None,
-         "libraries": get_libraries(library_dirs),
-     }
-     # setup cythonized modules

pyodide-build/pyodide_build/pywasmcross.py

@@ -301,11 +301,16 @@ def replay_genargs_handle_linker_opts(arg: str) -> str | None:
             "--as-needed",
         ]:
             continue
-        # ignore unsupported --sysroot compile argument used in conda
-        if opt.startswith("--sysroot="):
-            continue
-        if opt.startswith("--version-script="):
+
+        if opt.startswith(
+            (
+                "--sysroot=",  # ignore unsupported --sysroot compile argument used in conda
+                "--version-script=",
+                "-R/",  # wasm-ld does not accept -R (runtime libraries)
+            )
+        ):
             continue
+
         new_link_opts.append(opt)
     if len(new_link_opts) > 1:
         return ",".join(new_link_opts)